Is it good practice to NULL a pointer after deleting it?

Question

I\'ll start out by saying, use smart pointers and you\'ll never have to worry about this.

What are the problems with the following code?

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Answer 1

I've got an even better best practice: Where possible, end the variable's scope!

{
    Foo* pFoo = new Foo;
    // use pFoo
    delete pFoo;
}